Year	Index 2010=1
1998-01-01	0.764437141529292
1999-01-01	0.791553614345883
2000-01-01	0.871460471432404
2001-01-01	0.866135632599164
2002-01-01	0.885843068821155
2003-01-01	0.891056692384900
2004-01-01	0.952625295893296
2005-01-01	0.930361955965108
2006-01-01	0.900774539497763
2007-01-01	0.906566861518719
2008-01-01	0.964132430753334
2009-01-01	0.991344469684210
2010-01-01	1.000000000000000